import type { App } from '../../../App';
import type { Group } from '../../../shapes/Group';
import type { Node } from '../../../Node';
export type ChartBuildFn = (group: Group, app: App, props: Record<string, unknown>) => void;
export type ChartFactory = (props: Record<string, unknown>, app: App) => Group;
/** Drop hover/zoom listeners before rebuild — prevents stacked handlers on resize/zoom. */
export declare function clearChartWidgetListeners(group: Group): void;
/** Full rebuild — clears children and runs build (used for live/streaming data). */
export declare function installChartRebuild(group: Group, app: App, build: ChartBuildFn): void;
/** Rebuild by re-invoking the registered chart factory (works for all chart types). */
export declare function installRegistryChartRebuild(group: Group, app: App, factory: ChartFactory): void;
/** Patch widget state and rebuild chart layers. */
export declare function updateChartProps(group: Node, patch: Record<string, unknown>): void;
/** Append a point to a numeric series and rebuild (streaming line/bar charts). */
export declare function pushChartValue(group: Node, value: number, maxPoints?: number): void;
/** Replace OHLC bar array tail (streaming financial charts). */
export declare function pushChartOhlc(group: Node, bar: Record<string, unknown>, maxBars?: number): void;